var previousCollapsedNode = {};

function changeDivVisible(sDivId, sCollapseGrpName) {
	var oDiv, pNode;
	if (pNode = previousCollapsedNode[sCollapseGrpName]) {
		if (pNode.id != sDivId) {
			pNode.style.display = 'none';
		}
	}
	if (oDiv = document.getElementById(sDivId)) {
		oDiv.style.display = (oDiv.style.display != 'none' ? oDiv.style.display = 'none' : oDiv.style.display = 'block');
		previousCollapsedNode[sCollapseGrpName] = oDiv;
	}
}


function switchDiv(obj, link){
		var el = document.getElementById(obj);
        if ( el.style.display != 'none' ) {
                el.style.display = 'none';
				link.innerHTML = 'показать';
        }
        else {
                el.style.display = 'block';
				link.innerHTML = 'скрыть';
        }
		return false;
}